united states faithfully. >> when chief justice john roberts administered the oath to barack obama on january 20, 2009, there was a major problem. roberts was supposed to say "i will faithfully execute the office of president of the united states. " barack obama stopped and paused and smiled as if to say, come on, man, this is my big day. you have to get this right. unfortunately, he did not get it right so the very next night in the white house, they did it again. this time roberts used notes which he had not used the first time and they got it right. >> we walk for the history of democracy's big day monday at 8:00 a.m. and again at 8:00 p.m. eastern. this is part of a three-day holiday weekend on c-span 2's book-tv. >> the greatest honor history can bestow is the title of peacemaker. this honor now beckons america, the chance to lead the world at last out of the valley of turmoil and onto that high ground of peace that man has dreamed of since the dawn of civilization >> must embark on new programs, scientific investments and the improvement of underdeveloped areas. >> of this weeke